Number of length n arrays x(i), i=1..n with x(i) in i..i+5 and no value appearing more than 2 times.
A250348
Number of length n arrays x(i), i=1..n with x(i) in i..i+5 and no value appearing more than 2 times.
Terms
- a(0) =6a(1) =36a(2) =212a(3) =1221a(4) =6900a(5) =38543a(6) =214716a(7) =1193739a(8) =6628042a(9) =36773706a(10) =203951790a(11) =1130937489a(12) =6270501936a(13) =34764775155a(14) =192735759120
External references
- oeis: A250348